package com.foreknow.config;

import com.foreknow.interceptor.TokenInterceptor;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.concurrent.ConcurrentTaskExecutor;
import org.springframework.web.servlet.config.annotation.*;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Executors;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;


/**
 * 跨域请求支持/token拦截
 * tip:只能写在一个配置类里
 */
@Configuration
public class WebConfiguration implements WebMvcConfigurer {

  private TokenInterceptor tokenInterceptor;

  //构造方法
  public WebConfiguration(TokenInterceptor tokenInterceptor){
    this.tokenInterceptor = tokenInterceptor;
  }

  @Override
  public void addCorsMappings(CorsRegistry registry) {
    registry.addMapping("/**")
      .allowCredentials(true)
      .allowedHeaders("*")
      .allowedMethods("*")
      .allowedOrigins("*");
  }

  @Override
  public void configureAsyncSupport(AsyncSupportConfigurer configurer){
    configurer.setTaskExecutor(new ConcurrentTaskExecutor(Executors.newFixedThreadPool(3)));
    configurer.setDefaultTimeout(30000);
  }

  @Override
  public void addInterceptors(InterceptorRegistry registry){
    List<String> excludePath = new ArrayList<>();
    //排除拦截
    excludePath.add("/user/register");  //登录
    excludePath.add("/user/login");     //注册
    excludePath.add("/static/**");  //静态资源
    excludePath.add("/assets/**");  //静态资源

    registry.addInterceptor(tokenInterceptor)
      .addPathPatterns("/**")
      .excludePathPatterns(excludePath);
    WebMvcConfigurer.super.addInterceptors(registry);
  }
}
